The routing has to be on a road (or a bicycle path if you select
bicycling).  Are you trying to get routes across campus, on "roads"
not known to Google?  That's not going to work.  As TheWebProgrammer
points out, you don't have to drop your starting point exactly on the
road; the directionsService will move it to the road if it is "close
enough." (You can retrieve the actual lat/lng used for the starting
point from the returned directions.  This is useful if you are
chaining directions.)  But if you are too far away from a road (in the
middle of Lake Michigan), the directionsRenderer can't figure out what
road to start on.

- Jeff

On May 12, 2:21 pm, Matthew Seibert <matthew.k.seib...@gmail.com>
wrote:
> This is a very good point. And also, will it default to our college address
> for certain locations or use the latitude and longitude when the objects are
> off road? I'm rising these question to the mapmaker professional as well.

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